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Finding the Fourth Proportional to 30,495.52, 42,098.28 and 22,944.72

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Solution

The fourth proportional to 30,495.52, 42,098.28 and 22,944.72 is: 31,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,495.52 : 42,098.28 = 22,944.72 : x
  2. Step 2: Convert to fraction form
    30,495.52/42,098.28 = 22,944.72/x
  3. Step 3: Cross multiply
    30,495.52x = 42,098.28 × 22,944.72
  4. Step 4: Simplify right side
    30,495.52x = 965,933,247.08
  5. Step 5: Solve for x
    x = 965,933,247.08/30,495.52
  6. Step 6: Final answer
    x = 31,674.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.